Haiku weather in September (Maui, Hawaii)

Is Haiku a good destination in September, weather-wise? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

Experience perfect weather in Haiku in September, characterized by high temperatures and moderate rainfall. The daytime often sees temperatures reaching 28°C, but nighttime brings a cool-down to 23°C. This month features high temperatures, marking it as the warmest. Prepare with summer clothes and essentials to enjoy the sun to the fullest.

Precipitation

Haiku in September usually receives moderate rainfall, averaging around 63 mm for the month. Records from the past 30 years suggest that around 8 days will experience rain.

Average sunshine

The city usually sees around 271 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Haiku. January, February, April, May, June, July, August, September, October, November and December typically offer the best circumstances. While March tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Haiku climate page with graphs.

 

Haiku, monthly averages in September

Min Temperature 23°C  

Max Temperature 28°C  

Water Temperature 27°C *  

Chance of Rain 25%  

Precipitation 63 mm  

Rainy days 8 days  

Humidity 70% *  

Windspeed 18 km/h *  

Sunshine 271 hours *  

Percentage Sunshine 74% *  

* Data from: Kahului, the United States of America (11 KM, 7 Miles).

Where to go in Hawaii in September

Find out more about the weather in Hawaii and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Haiku.

Our site offers climate and forecast data for every country in the world. Are you going to Hawaii? On this website you can find historical weather averages for many cities in Hawaii. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.